Miranda Kerr  has been on a world tour with Reebok  this week, which means she's showed off her best ponytail looks. But last night, she swapped out the gym-ready style for glamorous curls. In addition to Miranda's multiple stylish moments, a bunch of stars have been showing face and upping the Hollywood beauty game. Scroll through to see the best beauty moments of the week!
Source: Getty / Jun Sato 
At the Madrid premiere of Divergent, Shailene wore her strands slicked down with a deep side part.
Miranda ditched the sporty look for gorgeous waves at a Yuri Takano event in Tokyo.
Even with windswept strands, Cameron pulled off a sultry look on The Other Woman's red carpet.
Leslie jumped on the orange lipstick trend  for the UK premiere of The Other Woman.
Kate went with a retro theme for The Other Woman's UK debut. She wore a sleek cat eye, a pompadour updo, and a pale pink lip color that showed off her beauty mark.
Gisele walked the Colcci  catwalk during São Paulo Fashion Week wearing the ultimate incarnation of beach waves.
At the AMC Mad Men celebration, Christina traded her typical red lipstick for a hot-pink shade that's perfect for Spring.
This superhigh ponytail on Jessica at the AMC Mad Men party was a nod to I Dream of Jeannie.
January pulled her hair into a casual side braid with brunette hair woven in and accented her eyes with a bright blue cat eye at the AMC Mad Men celebration.
Kiernan emphasized her bold brows at the AMC Mad Men celebration with her hair pulled back into a sleek ponytail.
Inky-black hair, a gray smoky eye, and nude lips gave Elisabeth's look a mysterious spin at the AMC Mad Men celebration.
In the American Express #EveryDayMoments lounge, Kristen showed off her shoulder-length bob with loose curls.
Jamie pulled her hair back away from a center part and swiped on a sheer nude gloss before attending the Schutz Summer collection launch in NYC.
Nothing says sexy quite like the red lipstick and crimson dress combination Alessandra sported at the Schutz Summer collection launch in NYC.
Given her flair for dramatics, we weren't surprised to see Lady Gaga  in a yellow-green wig in New York City.
Naomi attended the Glamour of Italian Fashion exhibit in London with blunt bangs and ultraglam eye makeup.
The secret to Elizabeth's nighttime look was her sultry smudged eyeliner and voluminous curls.
At the Glamour of Italian Fashion exhibit in London, Rita matched her white-blond hair color to her cream dress.
Poppy wore chic boho waves for the Glamour of Italian Fashion exhibit red carpet.
Jennifer's bold brows and sleek, inky strands stood out at the Parisian premiere of Noah.
Miranda picked a bright pink lipstick to match her Reebok  Skyscraper sneakers.
Red lips, sideswept waves, and a cat eye pulled together Jamie's casual style at the Only Lovers Left Alive screening in NYC.
Reddish-brown eye makeup and a sleek topknot gave Greta's beauty look some edge at the New Museum Spring Gala.
Shailene's vampy lipstick look  from the Germany Divergent premiere was a departure from her typical barely there palette.
Jennifer Love Hewitt
The reverse ombré made a comeback on Jennifer Love Hewitt  at the launch of her new clothing line.
Aveda is celebrating Earth Month with Mary-Louise's help. She attended the brand's clean-water exhibit in NYC wearing a pink lip stain and matching camisole.
A breezy ponytail was perfect for Brooklyn while on Extra.
Even though Miranda was decked out in workout gear, she still stunned in a pink lip at an autograph session for Reebok  Skyscape.
Cobie's sleek updo and smudged smoky eye sizzled at a screening of Captain America: The Winter Soldier
Nicky sported a gilded headband to a screening of Captain America: The Winter Soldier.
Showing off one of the first looks of festival season, Doutzen sported a casual ponytail to the Ultra Music Festival.
A purple smoky eye and sexy curls were Cobie's look during a visit to The Late Show With David Letterman.
Selena Gomez at the Kids' Choice Awards
Selena paired gilded eye shadow with big-time curls at the Kids' Choice Awards.
Lea Michele at the Kids' Choice Awards
Lea's piecey, faux bob and pink lipstick made for a flirty, feminine look at the Kids' Choice Awards.
Bella Thorne at the Kids' Choice Awards
At the Kids' Choice Awards, Bella styled her hair in a curled half updo.
Victoria Justice at the Kids' Choice Awards
Stick-straight hair and a subtle smoky eye sizzled on Victoria at the Kids' Choice Awards.
Ariana Grande at the Kids' Choice Awards
Straying away from her typical half updo, Ariana opted for a sleek blowout and a thick cat eye.
America Ferrera at the Kids' Choice Awards.
We loved seeing America go edgy with her faux-hawk at the Kids' Choice Awards.
Kaley Cuoco at the Kids' Choice Awards
Kaley's topknot and creamy blush were very ballerina-esque at the Kids' Choice Awards.
Tia Mowry at the Kids' Choice Awards
Purple shadow and a pretty milkmaid braid looked darling on Tia at the Kids' Choice Awards.
At a wedding , Kate showed off her gorgeous blowout, topped with a fascinator.
Lilac shadow made Rosario's eyes pop at a screening of Cesar Chavez.
Rihanna  rocked pigtail braids while out and about in LA.
Bronzy skin and multicolored curls were surprisingly chic on Kesha at the Humane Society's 60th anniversary gala.
At the Humane Society's 60th anniversary gala, Kate lined her waterline in emerald, making her brown eyes pop.
We especially loved Kate's hair at the Humane Society's 60th anniversary gala: she swept it up into a half updo, accented with a bun. Very Jared Leto !
Dianna's silky blowout and glowing skin were totally enviable at MOCA's 35th anniversary gala.
Margot's vintage waves and brushed-up brows made for a seriously sweet look at the Jameson Empire Awards.
Dita Von Teese
Red lipstick and a cat eye are always a win on Dita, and she wore them well at MOCA's 35th anniversary gala.
We're still loving Katy's Cleopatra-inspired haircut, which she wore straight at MOCA's 35th anniversary gala.
Taylor reached for her classic red lips while visiting Broadway.
At the European premiere of Divergent, Kate sizzled with pink lipstick and curls.
Shailene's pixie styling was still going strong at the European premiere of Divergent.
Kate loves a curly ponytail, as proven by her hairstyle choice at the Jameson Empire Film Awards.
Chloë swapped her typical orange lips for a red shade at MOCA's 35th anniversary gala.
Bold brows and a red lip stain were the focus of Emma's look at a press conference for The Amazing Spider-Man 2.
The highlight of Emma's look at the Amazing Spider-Man 2 press conference was a side braid, which created a faux undercut.
Rita's curls and red lips were gorgeous as always while out and about in London.